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secondary 4 A Maths Singapore

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Date Posted: 3 years ago

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Date Posted: 3 years ago

3 years ago

For tan-¹x , the range should be -½π < tan-¹x < ½π

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Hope this helps

Date Posted: 3 years ago

Eric Nicholas K

3 years ago

“y = -3/5” fails because it will not satisfy the equation containing the square root.